OpenTechnical

OT-2026-000067180

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000067180) never changes.

Identity and time

Publication numberOT-2026-000067180 · never reused
Internal UUID01a0ae8f-14ff-75b7-b688-0c6caac60336 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067180
StatusPUBLIC

Content hashes

Canonical text5ff26f556089497912c88290ddccb578cb08d018c98be40a717628cc84d2a78b
Markdown634cd0aa9c737c204ebf07b8d23264d1824d6163c7531fc886c975f69257f0b4
PDF
Publication page2f97b35c22585428c16dd21a02671f606adc1f17939d8878bad991ca8d865bbd
Manifestd3726d4a7f99488075c2c32fcdeef2d2c3ed6a180f1af70b5af18cb9aa9b0978

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureI3e9IRpuElgHjBxwVNj0s7Qge1s2q6YJYvoryL/VSg+z2t7WTLpIos18L4Tn1qQhZ5Xs5QX+fpV+zkD9AftkBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:32:27.816028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067180
observed 2f97b35c22585428c16dd21a02671f60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:27.798840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067180/manifest.json
observed d3726d4a7f99488075c2c32fcdeef2d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:27.781376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067180/publication.md
observed 634cd0aa9c737c204ebf07b8d23264d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:27.764597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067180/publication.txt
observed 5ff26f556089497912c88290ddccb578...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.